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Addressing the contribution of small molecule-based biostimulants to the biofortification of maize in a water restriction scenario

2022Journal article Open access
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dc.contributor.authorHernandiz, Alba E.
dc.contributor.authorJiménez-Arias, David
dc.contributor.authorMorales-Sierra, Sarai
dc.contributor.authorBorges, Andres A.
dc.contributor.authorDe Diego, Nuria
dc.date.accessioned2023-10-27T09:02:10Z
dc.date.available2023-10-27T09:02:10Z
dc.date.issued2022
dc.description.abstractBiostimulants have become an asset for agriculture since they are a greener alternative to traditionally used plant protection products. Also, they have gained the farmers’ acceptance due to their effect on enhancing the plant’s natural defense system against abiotic stresses. Besides commercially available complex products, small molecule-based biostimulants are useful for industry and research. Among them, polyamines (PAs) are well-studied natural compounds that can elicit numerous positive responses in drought stressed plants. However, the studies are merely focused on the vegetative development of the plant. Therefore, we aimed to evaluate how drenching with putrescine (Put) and spermidine (Spd) modified the maize production and the yield quality parameters. First, a dosage optimization was performed, and then the best PA concentrations were applied by drenching the maize plants grown under well-watered (WW) conditions or water deficit (WD). Different mechanisms of action were observed for Put and Spd regarding maize production, including when both PAs similarly improved the water balance of the plants. The application of Put enhanced the quality and quantity of the yield under WW and Spd under WD. Regarding the nutritional quality of the grains, both PAs increased the carbohydrates content, whereas the contribution to the protein content changed by the interaction between compound and growth conditions. The mineral content of the grains was also greatly affected by the water condition and the PA application, with the most relevant results observed when Spd was applied, ending with flour richer in Zn, Cu, and Ca minerals that are considered important for human health. We showed that the exogenous PA application could be a highly efficient biofortification approach. Our findings open a new exciting use to be studied deep in the biostimulant research.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationHernandiz AE, Jiménez-Arias D, Morales-Sierra S, Borges AA and De Diego N (2022) Addressing the contribution of small molecule-based biostimulants to the biofortification of maize in a water restriction scenario. Front. Plant Sci. 13:944066. doi: 10.3389/fpls.2022.944066pt_PT
dc.identifier.doi10.3389/fpls.2022.944066pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/5337
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFrontiers Mediapt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectDrenchingpt_PT
dc.subjectMineral nutritionpt_PT
dc.subjectPolyaminespt_PT
dc.subjectYieldpt_PT
dc.subjectZea mayspt_PT
dc.subject.pt_PT
dc.subjectCentro em Agricultura Sustentável e Tecnologia Alimentarpt_PT
dc.titleAddressing the contribution of small molecule-based biostimulants to the biofortification of maize in a water restriction scenariopt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleFrontiers in Plant Sciencept_PT
oaire.citation.volume13pt_PT
person.familyNameJiménez-Arias
person.givenNameDavid
person.identifier182222
person.identifier.orcid0000-0003-2304-7373
person.identifier.scopus-author-id34880055200
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationce020bf7-9b0f-4338-9a7b-83035239c306
relation.isAuthorOfPublication.latestForDiscoveryce020bf7-9b0f-4338-9a7b-83035239c306

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